The EN54-24 certified FAP42TCEN's 130° dispersion angle effectively reduces the number of loudspeakers necessary to achieve coverage in distributed systems with low ceilings. The loudspeaker component matches the performance of the legendary AtlasIED Strategy FA Series. High quality construction 4" coaxial cone type driver includes a 1" voice coil and polypropylene cone with a butyl rubber surround. The 19mm coaxially mounted tweeter is constructed of PEI. This loudspeaker is factory assembled in a deep drawn enclosure and includes a specially designed 16 watt low saturation, 70.7V / 100V transformer. A convenient front mounted selector switch allows tap selection without the need to remove the speaker from the ceiling. This switch also includes a transformer bypass setting for 8Ω operation.